Kids who are young for their grade level are unusually likely to be diagnosed with attention-deficit hyperactivity disorder (ADHD) — a worrying sign that, for many kids, plain old immaturity has been misdiagnosed as a clinical disorder.

In two separate studies — both appearing in a forthcoming issue of the Journal of Health …

Acupuncture has been — how shall we say? — one of the less ridiculed techniques of alternative medicine, at least in recent years. A body of evidence shows that it does indeed relieve pain, for many conditions. But a study released today suggests that acupuncture probably only works because patients believe that it will — and it’s the …

Nearly 30% of new couples now meet online. Today the Internet is the second-most common way to meet a partner, according to results from the How Couples Meet and Stay Together Survey, with web introductions ranked only behind introduction by mutual friends.

When two journalists discovered that formaldehyde was the miracle agent behind their sleek hair-dos, they decided to dig a little further into their beauty products’ ingredient lists. What they found was terrifying. That …

Yet another new study — this one is in the American Journal of Respiratory and Critical Care Medicine — is showing a link between asthma and acetaminophen, the active ingredient in Tylenol. Researchers have found that, among 320,000 kids in 50 countries, 13- and 14-year-olds who take acetaminophen are more than twice as likely to …

Many explanations have been offered for JetBlue flight attendant Steven Slater’s meltdown and dramatic emergency slide exit on Monday—from “air rage” to suggestions of a relapse into alcoholism. But none of the media coverage has noted what could be the most obvious and chilling reason for his bizarre behavior: at the beginning of …